If there are difficulties with the choice of a CPU, you will solve them by seeing the full benchmark Intel Core i5-10400H Cinebench r15 score single and multi core and decide how powerful is this processor, is it a good processor or a bad one to buy. Here is all information from Cinebench r15 benchmark. A thorough review of all the specifications, to make it easier to read, is presented in the form of the table. After looking at the data of all test and video, you already be able to figure out do you need to buy Intel Core i5-10400H or not.
The summary data in the text above do not mean that you should be guided entirely by them and trust a simple comparison of these figures. Better to watch the testing video and read the reviews of real owners of Intel Core i5-10400H before deciding buy this CPU or not.
Intel Core i5-10400H Cinebench r15 benchmark video